the Enter the to the nearest cent, SX.XX. Enter the oldest inventory layers first.) Unit Tota Cest Cost Unit Cost 8 Sold 4 galons of mik to a customer 13Puchased 4 galons $260each Print Done the Enter the to the nearest cent, SX.XX. Enter the oldest inventory layers first.) Unit Tota Cest Cost Unit Cost 8 Sold 4 galons of mik to a customer 13Puchased 4 galons $260each Print Done